This paper presents an accurate tool yielding a reliable prediction of the link quality for the down-link of a BIC- OFDM system featuring bandlimited pulse shaping to control spectral sidelobe emission, plus AMC, and operating over a nonlinear channel. The tool enables an effective design of the communication system, with special respect to the setting of the operating point of the transmitter’s power amplifier. First, an analytical characterization of the nonlinear distortion effects caused by the amplifier on bandlimited BIC-OFDM signals is carried out by resorting to the extended version of the Bussgang theorem. Then, after a survey of some link quality prediction methods, the equivalent additive noise model provided by the Bussgang-based analysis is taken into account in the derivation of a novel method, named BESM. Finally, the novel BESM tool is employed in the link design phase for choosing the best amplifier setting, aimed at maximizing the layer-3 offered traffic over a realistic wireless channel, featuring both multipath propagation and nonlinear distortions.

Trading-off Troughput vs. Energy in Adaptive BIC-OFDM over Nonlinear Channels: a Novel Approach

GIANNETTI, FILIPPO
Co-primo
Writing – Review & Editing
;
LOTTICI, VINCENZO
Co-primo
Writing – Review & Editing
;
2011

Abstract

This paper presents an accurate tool yielding a reliable prediction of the link quality for the down-link of a BIC- OFDM system featuring bandlimited pulse shaping to control spectral sidelobe emission, plus AMC, and operating over a nonlinear channel. The tool enables an effective design of the communication system, with special respect to the setting of the operating point of the transmitter’s power amplifier. First, an analytical characterization of the nonlinear distortion effects caused by the amplifier on bandlimited BIC-OFDM signals is carried out by resorting to the extended version of the Bussgang theorem. Then, after a survey of some link quality prediction methods, the equivalent additive noise model provided by the Bussgang-based analysis is taken into account in the derivation of a novel method, named BESM. Finally, the novel BESM tool is employed in the link design phase for choosing the best amplifier setting, aimed at maximizing the layer-3 offered traffic over a realistic wireless channel, featuring both multipath propagation and nonlinear distortions.
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/246575
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact